6.5 minutes is soft boiled for a large (in US egg sizing) egg. Soft boiled eggs don't have fully set yolks or firm whites. These are the kinds of eggs you use for ramen.

If you want a fully set yolk you need more time (about 10 min or so), but that's a personal preference.

See: https://www.thekitchn.com/how-to-boil-eggs-perfectly-every-t...